Pedido de licença compulsória
#20.1
02/21/1989
RPI 957
Application data
Number
PI8203288Type
Filing
Publication
The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants
P. I. (pessoa física)
US
Inventors
G. G. (pessoa física)
US
IPC Classification
Priority claims
US
270.450 · 06/04/1981
US
270.476 · 06/05/1981
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